Package org.apache.calcite.plan

Class RelOptUtil.InputReferencedVisitor

java.lang.Object

org.apache.calcite.rex.RexShuttle

org.apache.calcite.plan.RelOptUtil.InputReferencedVisitor

All Implemented Interfaces:

RexVisitor<RexNode>

Enclosing class:

RelOptUtil

public static class RelOptUtil.InputReferencedVisitor
extends RexShuttle

Shuttle that finds the set of inputs that are used.

Field Summary

Fields

Modifier and Type	Field	Description
final NavigableSet<Integer>	inputPosReferenced

Constructor Summary

Constructors

Constructor	Description
InputReferencedVisitor()

Method Summary

Modifier and Type	Method	Description
RexNode	visitInputRef(RexInputRef inputRef)

Methods inherited from class org.apache.calcite.rex.RexShuttle

apply, apply, mutate, visitArray, visitCall, visitCorrelVariable, visitDynamicParam, visitFieldAccess, visitFieldCollations, visitList, visitLiteral, visitLocalRef, visitOver, visitPatternFieldRef, visitRangeRef, visitSubQuery, visitTableInputRef, visitWindow

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.calcite.rex.RexVisitor

visitEach, visitList, visitList

Field Details

inputPosReferenced

public final NavigableSet<Integer> inputPosReferenced

Constructor Details

InputReferencedVisitor

public InputReferencedVisitor()

Method Details

visitInputRef

public RexNode visitInputRef(RexInputRef inputRef)

Specified by:

visitInputRef in interface RexVisitor<RexNode>

Overrides:

visitInputRef in class RexShuttle